/**
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package com.google.wave.splash.web.stats;

import static com.google.inject.matcher.Matchers.annotatedWith;
import static com.google.inject.matcher.Matchers.any;

import com.google.inject.servlet.ServletModule;
import com.google.wave.splash.Options;

/**
 * @author dhanji@gmail.com (Dhanji R. Prasanna)
 */
public class StatsModule extends ServletModule {
  private final Options options;

  public StatsModule(Options options) {
    this.options = options;
  }

  @Override
  protected void configureServlets() {
    if (options.useTimers()) {
      filter("/*").through(TimingFilter.class);
    }
    serve("/speedz").with(StatuszServlet.class);

    TimingInterceptor interceptor = new TimingInterceptor();
    requestInjection(interceptor);
    if (options.useTimers()) {
      bindInterceptor(any(), annotatedWith(Timed.class), interceptor);
    }

    bind(Timing.class).to(ThreadLocalTiming.class);
  }
}
